Recognised as Colour
#F3FB73
- #F3FB73
- Yellow
- Light
- Nearest: Khaki
#F3FB73 is a yellow with RGB values 243, 251, 115 and HSL 64°, 94%, 72%. It is a light colour, so black text on it reaches 18.9:1 contrast (AAA for normal text). The nearest named colour is Khaki.
Colour values
#F3FB73#F3FB73
HEX#F3FB73
RGBrgb(243, 251, 115)
RGB (0–1)0.9529, 0.9843, 0.451
RGB percentages95.3%, 98.4%, 45.1%
HSLhsl(63.5, 94.4%, 71.8%)
HSV / HSBhsv(63.5, 54.2%, 98.4%)
CMYK3.2%, 0%, 54.2%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,989,619
CSS custom property--colour: #F3FB73;
Brightness & contrast
Relative luminance0.89287WCAG 2.x, 0 is black and 1 is white
Perceived brightness236.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 18.86:1
Contrast with white1.11:1WCAG normal text: Fail
Contrast with black18.86:1WCAG normal text: AAA
Greyscale equivalent#EFEFEF
Inverted#0C048C
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.11:1WCAG large text: Fail
Contrast with black, large text18.86:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#7B73FB
Analogous#FBBF73, #AFFB73
Triadic#73F3FB, #FB73F3
Split complementary#73AFFB, #BF73FB
Tetradic#73FBBF, #7B73FB, #FB73AF
Tints, shades & saturation
Channel breakdown
R243
G251
B115
Red243 (95.3%)
Green251 (98.4%)
Blue115 (45.1%)
Hue63.53°
Saturation (HSL)94.44%
Lightness71.76%
Dominant channelGreen
Hex per channelR F3 · G FB · B 73
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Also reads as
F3FB73 (chemical formula)
- Formula
- 865.122 g/mol
- 77 atoms
F3FB73 has a molar mass of 865.122 g/mol, made up of 77 atoms across 2 elements: 4 × F, 73 × B.
Molar mass
Molar mass865.122 g/mol
Total atoms per molecule77
Distinct elements2
Mass of one molecule1.4365689 × 10^-21 g
Molecules per gram6.9610307 × 10^20
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
F8.8%
B91.2%
Fluorine (F × 4)75.992 g/mol, 8.784%
Boron (B × 73)789.13 g/mol, 91.216%
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